MU-408 PowerPool is a premium tile grout engineered for demanding environments exposed to constant water pressure and chemicals, such as swimming pools, spas, saunas, fountains, and water tanks. Formulated with SmartShield Plus technology, it delivers long-lasting joint stability, protects color vibrancy, and reduces the risk of cracking over time. Its advanced additives help inhibit mold and mildew in wet areas, making it ideal for both residential and commercial applications. Easy to mix and apply, PowerPool provides smooth joint filling even for wide gaps and natural stone installations, giving a clean and durable finish that maintains its performance in extreme temperatures and outdoor exposure.